diff options
| author | Cyrille Pitchen <cyrille.pitchen@atmel.com> | 2017-01-26 17:07:46 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-02-03 18:16:11 +0800 |
| commit | 8340c7fd28d1fc0b559c84be8f0e7413d2716fc2 (patch) | |
| tree | 4e0a6c2027f57b807c9434655a2678debec338c9 /drivers/crypto/atmel-sha.c | |
| parent | 379d972b81151b811ab769db5ab8da9c71bbfb00 (diff) | |
crypto: atmel-sha - create function to get an Atmel SHA device
This is a transitional patch: it creates the atmel_sha_find_dev() function,
which will be used in further patches to share the source code responsible
for finding a Atmel SHA device.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/atmel-sha.c')
| -rw-r--r-- | drivers/crypto/atmel-sha.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index 97e34799e077..33a36e667547 100644 --- a/drivers/crypto/atmel-sha.c +++ b/drivers/crypto/atmel-sha.c @@ -260,11 +260,8 @@ static void atmel_sha_fill_padding(struct atmel_sha_reqctx *ctx, int length) } } -static int atmel_sha_init(struct ahash_request *req) +static struct atmel_sha_dev *atmel_sha_find_dev(struct atmel_sha_ctx *tctx) { - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct atmel_sha_ctx *tctx = crypto_ahash_ctx(tfm); - struct atmel_sha_reqctx *ctx = ahash_request_ctx(req); struct atmel_sha_dev *dd = NULL; struct atmel_sha_dev *tmp; @@ -281,6 +278,16 @@ static int atmel_sha_init(struct ahash_request *req) spin_unlock_bh(&atmel_sha.lock); + return dd; +} + +static int atmel_sha_init(struct ahash_request *req) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct atmel_sha_ctx *tctx = crypto_ahash_ctx(tfm); + struct atmel_sha_reqctx *ctx = ahash_request_ctx(req); + struct atmel_sha_dev *dd = atmel_sha_find_dev(tctx); + ctx->dd = dd; ctx->flags = 0; |